大象传媒

How to order children according to their age using a number line, finishing with a catchy song about ordering numbers. The children queueing up to go on a slide are 6, 9, 5, 7 and 0 years old. The children are put in order from youngest to oldest. You could also line the children up on a number line with 0 being at the start as the smallest number. By looking at the children on a number line you can see the gaps in their age clearly.